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CentOS 6 End of Life (EOL) Begins Tomorrow, December 1st, 2020
November 30, 2020

Regarding CVE-2021-3156

Published by InterWorx on January 27, 2021

We are aware of a recently discovered Linux exploit regarding the sudo package. While this is a serious security issue, our team is monitoring the situation very closely with the Linux software providers. InterWorx enables automatic updates by default, unless this behavior has been changed by a NodeWorx administrator, and the new version of the sudo package will be automatically installed soon after it has been released upstream.

How to see if you are vulnerable:

You may check to see if your system is vulnerable by running the following command:

$ sudoedit -s /

If your system returns the following, your system is at risk:

sudoedit: /: not a regular file

If your system returns the following, your system has received the patch:

$ sudoedit -s /
usage: sudoedit [-AknS] [-r role] [-t type] [-C num] [-g group] [-h host] [-p prompt] [-T timeout] [-u user] file ...

If your system is not set to receive automatic updates, you may manually update sudo using the “yum” command; however, you may need to enable a specific repo using  –enablerepo in conjunction with yum for EL6 or EL7.

Updating EL6 with InterWorx 6:

To update using the NodeWorx UI, go to NodeWorx > Server > Software Updates

yum clean all
yum --enablerepo interworx-stable update sudo

Updating EL6 with InterWorx 7:

To update using the Nodeworx UI, go to NodeWorx> Server > Software Updates

yum clean all
yum --enablerepo interworx-7-base update sudo

Updating EL7 (All versions of InterWorx):

yum clean all
yum --enablerepo base update sudo

If you have any further questions, please do not hesitate to contact via Facebook, Twitter, or our Support channels.

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